Jozsef Kadlecsik 9e8b32b0a0 netfilter: Mark SYN/ACK packets as invalid from original direction ...

commit 64f509ce71 upstream.

Clients should not send such packets. By accepting them, we open
up a hole by wich ephemeral ports can be discovered in an off-path
attack.

See: "Reflection scan: an Off-Path Attack on TCP" by Jan Wrobel,
http://arxiv.org/abs/1201.2074

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2012-11-26 11:34:54 -08:00

..

ipset

netfilter: ipset: Use the stored first cidr value instead of '1'

2011-06-06 01:35:29 +02:00

ipvs

ipvs: fix oops in ip_vs_dst_event on rmmod

2012-10-21 09:17:11 -07:00

core.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

2011-02-19 19:17:35 -08:00

Kconfig

netfilter: xt_addrtype: replace rt6_lookup with nf_afinfo->route

2011-04-04 17:01:43 +02:00

Makefile

netfilter: ipt_addrtype: rename to xt_addrtype

2011-03-15 20:16:20 +01:00

nf_conntrack_acct.c

netfilter: complete the deprecation of CONFIG_NF_CT_ACCT

2010-06-25 14:46:56 +02:00

nf_conntrack_amanda.c

netfilter: cleanup printk messages

2010-05-13 15:02:08 +02:00

nf_conntrack_broadcast.c

netfilter: nf_conntrack: nf_conntrack snmp helper

2011-01-18 18:12:24 +01:00

nf_conntrack_core.c

netfilter: nf_conntrack: fix racy timer handling with reliable events

2012-10-21 09:17:11 -07:00

nf_conntrack_ecache.c

netfilter: ecache: always set events bits, filter them later

2011-02-01 16:06:30 +01:00

nf_conntrack_expect.c

netfilter: nf_ct_expect: fix possible access to uninitialized timer

2012-10-21 09:17:11 -07:00

nf_conntrack_extend.c

net,rcu: convert call_rcu(__nf_ct_ext_free_rcu) to kfree_rcu()

2011-05-07 22:51:07 -07:00

nf_conntrack_ftp.c

netfilter: add more values to enum ip_conntrack_info

2011-06-06 01:35:10 +02:00

nf_conntrack_h323_asn1.c

netfilter: h323: bug in parsing of ASN1 SEQOF field

2011-04-04 15:21:02 +02:00

nf_conntrack_h323_main.c

netfilter: add more values to enum ip_conntrack_info

2011-06-06 01:35:10 +02:00

nf_conntrack_h323_types.c

…

nf_conntrack_helper.c

netfilter: nf_conntrack: use is_vmalloc_addr()

2011-01-14 15:45:56 +01:00

nf_conntrack_irc.c

netfilter: add more values to enum ip_conntrack_info

2011-06-06 01:35:10 +02:00

nf_conntrack_l3proto_generic.c

…

nf_conntrack_netbios_ns.c

netfilter: nf_conntrack: nf_conntrack snmp helper

2011-01-18 18:12:24 +01:00

nf_conntrack_netlink.c

netfilter: ctnetlink: fix timestamp support for new conntracks

2011-05-10 09:48:06 +02:00

nf_conntrack_pptp.c

netfilter: add more values to enum ip_conntrack_info

2011-06-06 01:35:10 +02:00

nf_conntrack_proto_dccp.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

nf_conntrack_proto_generic.c

…

nf_conntrack_proto_gre.c

…

nf_conntrack_proto_sctp.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

nf_conntrack_proto_tcp.c

netfilter: Mark SYN/ACK packets as invalid from original direction

2012-11-26 11:34:54 -08:00

nf_conntrack_proto_udp.c

…

nf_conntrack_proto_udplite.c

…

nf_conntrack_proto.c

netfilter: rcu sparse cleanups

2010-11-15 19:45:13 +01:00

nf_conntrack_sane.c

netfilter: add more values to enum ip_conntrack_info

2011-06-06 01:35:10 +02:00

nf_conntrack_sip.c

netfilter: add more values to enum ip_conntrack_info

2011-06-06 01:35:10 +02:00

nf_conntrack_snmp.c

netfilter: nf_conntrack: nf_conntrack snmp helper

2011-01-18 18:12:24 +01:00

nf_conntrack_standalone.c

netfilter: nf_conntrack_standalone: Fix set-but-unused variables.

2011-04-17 17:03:33 -07:00

nf_conntrack_tftp.c

netfilter: cleanup printk messages

2010-05-13 15:02:08 +02:00

nf_conntrack_timestamp.c

netfilter: nf_conntrack_tstamp: add flow-based timestamp extension

2011-01-19 16:00:07 +01:00

nf_internals.h

netfilter: cleanup printk messages

2010-05-13 15:02:08 +02:00

nf_log.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

2011-03-03 21:27:42 -08:00

nf_queue.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

nf_sockopt.c

…

nf_tproxy_core.c

netfilter: tproxy: do not assign timewait sockets to skb->sk

2011-02-17 11:32:38 +01:00

nfnetlink_log.c

netfilter: fix looped (broad|multi)cast's MAC handling

2011-06-16 17:27:04 +02:00

nfnetlink_queue.c

netfilter: fix looped (broad|multi)cast's MAC handling

2011-06-16 17:27:04 +02:00

nfnetlink.c

netfilter: cleanup printk messages

2010-05-13 15:02:08 +02:00

x_tables.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-3.6

2011-05-11 14:26:58 -04:00

xt_addrtype.c

netfilter: xt_addrtype: replace rt6_lookup with nf_afinfo->route

2011-04-04 17:01:43 +02:00

xt_AUDIT.c

netfilter ebtables: fix xt_AUDIT to work with ebtables

2011-03-16 18:32:13 +01:00

xt_CHECKSUM.c

netfilter: add CHECKSUM target

2010-07-15 17:20:46 +02:00

xt_CLASSIFY.c

netfilter: xt_CLASSIFY: add ARP support, allow CLASSIFY target on any table

2010-11-15 13:57:56 +01:00

xt_cluster.c

netfilter: nf_conntrack: IPS_UNTRACKED bit

2010-06-08 16:09:52 +02:00

xt_comment.c

…

xt_connbytes.c

netfilter: xt_connbytes: Force CT accounting to be enabled

2010-06-25 14:44:07 +02:00

xt_connlimit.c

netfilter: xt_connlimit: remove connlimit_rnd_inited

2011-03-15 13:26:32 +01:00

xt_connmark.c

…

xt_CONNSECMARK.c

…

xt_conntrack.c

netfilter: revert a2361c8735

2011-05-10 12:13:36 +02:00

xt_cpu.c

netfilter: xtables: add missing aliases for autoloading via iptables

2011-01-18 06:33:54 +01:00

xt_CT.c

secmark: make secmark object handling generic

2010-10-21 10:12:48 +11:00

xt_dccp.c

netfilter: xtables: change hotdrop pointer to direct modification

2010-05-11 18:35:27 +02:00

xt_devgroup.c

netfilter: xtables: add device group match

2011-02-03 00:05:43 +01:00

xt_dscp.c

…

xt_DSCP.c

netfilter: IPv6: fix DSCP mangle code

2011-05-10 10:00:21 +02:00

xt_esp.c

netfilter: xtables: change hotdrop pointer to direct modification

2010-05-11 18:35:27 +02:00

xt_hashlimit.c

netfilter: limit, hashlimit: avoid duplicated inline

2012-10-21 09:17:11 -07:00

xt_helper.c

…

xt_hl.c

…

xt_HL.c

…

xt_IDLETIMER.c

netfilter: xtables: add missing aliases for autoloading via iptables

2011-01-18 06:33:54 +01:00

xt_iprange.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

2011-02-04 14:28:58 -08:00

xt_ipvs.c

IPVS: netns, use ip_vs_proto_data as param.

2011-01-13 10:30:27 +09:00

xt_LED.c

netfilter: xtables: add missing aliases for autoloading via iptables

2011-01-18 06:33:54 +01:00

xt_length.c

…

xt_limit.c

netfilter: xt_limit: have r->cost != 0 case work

2012-10-21 09:17:11 -07:00

xt_mac.c

…

xt_mark.c

…

xt_multiport.c

netfilter: xtables: change hotdrop pointer to direct modification

2010-05-11 18:35:27 +02:00

xt_NFLOG.c

…

xt_NFQUEUE.c

netfilter: allow NFQUEUE bypass if no listener is available

2011-01-18 16:08:30 +01:00

xt_NOTRACK.c

netfilter: nf_conntrack: IPS_UNTRACKED bit

2010-06-08 16:09:52 +02:00

xt_osf.c

net,rcu: convert call_rcu(xt_osf_finger_free_rcu) to kfree_rcu()

2011-05-07 22:51:12 -07:00

xt_owner.c

…

xt_physdev.c

…

xt_pkttype.c

…

xt_policy.c

…

xt_quota.c

xt_quota: report initial quota value instead of current value to userspace

2010-07-23 14:07:47 +02:00

xt_rateest.c

…

xt_RATEEST.c

pkt_sched: gen_kill_estimator() rcu fixes

2010-06-11 18:37:08 -07:00

xt_realm.c

…

xt_recent.c

llseek: automatically add .llseek fop

2010-10-15 15:53:27 +02:00

xt_repldata.h

…

xt_sctp.c

netfilter: xt_sctp: use WORD_ROUND macro to calculate length of multiple of 4 bytes

2010-06-09 14:47:40 +02:00

xt_SECMARK.c

secmark: make secmark object handling generic

2010-10-21 10:12:48 +11:00

xt_set.c

netfilter: ipset: set match and SET target fixes

2011-04-13 13:45:57 +02:00

xt_socket.c

netfilter: add more values to enum ip_conntrack_info

2011-06-06 01:35:10 +02:00

xt_state.c

netfilter: nf_conntrack: IPS_UNTRACKED bit

2010-06-08 16:09:52 +02:00

xt_statistic.c

netfilter: xt_statistic: remove nth_lock spinlock

2010-06-01 12:00:41 +02:00

xt_string.c

…

xt_tcpmss.c

netfilter: xtables: change hotdrop pointer to direct modification

2010-05-11 18:35:27 +02:00

xt_TCPMSS.c

netfilter: af_info: add 'strict' parameter to limit lookup to .oif

2011-04-04 17:00:54 +02:00

xt_TCPOPTSTRIP.c

…

xt_tcpudp.c

netfilter: xtables: change hotdrop pointer to direct modification

2010-05-11 18:35:27 +02:00

xt_TEE.c

ipv6: Convert to use flowi6 where applicable.

2011-03-12 15:08:54 -08:00

xt_time.c

netfilter: remove unnecessary returns from void function()s

2010-05-13 15:16:27 +02:00

xt_TPROXY.c

netfilter: tproxy: do not assign timewait sockets to skb->sk

2011-02-17 11:32:38 +01:00

xt_TRACE.c

…

xt_u32.c

…